409708790419 has 4 divisors (see below), whose sum is σ = 410222854944. Its totient is φ = 409194725896.

The previous prime is 409708790417. The next prime is 409708790443. The reversal of 409708790419 is 914097807904.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 409708790419 - 2¹ = 409708790417 is a prime.

It is a super-2 number, since 2×409708790419² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (409708790417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257031067 + ... + 257032660.

It is an arithmetic number, because the mean of its divisors is an integer number (102555713736).

Almost surely, 2^409708790419 is an apocalyptic number.

409708790419 is a deficient number, since it is larger than the sum of its proper divisors (514064525).

409708790419 is an equidigital number, since it uses as much as digits as its factorization.

409708790419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514064524.

The product of its (nonzero) digits is 4572288, while the sum is 58.

The spelling of 409708790419 in words is "four hundred nine billion, seven hundred eight million, seven hundred ninety thousand, four hundred nineteen".